func newXLStorageTestSetup(tb testing.TB) (*xlStorageDiskIDCheck, string, error) {
	diskPath := tb.TempDir()

	// Initialize a new xlStorage layer.
	storage, err := newLocalXLStorageWithDiskIdx(diskPath, 3)
	if err != nil {
		return nil, "", err
	}

	// Create a sample format.json file

// Using this interface, functionalities to be used in tests can be
// made generalized, and can be integrated in benchmarks/unit tests/go check suite tests.
type TestErrHandler interface {
	testing.TB
}

const (
	// ErasureSDStr is the string which is used as notation for Single node ObjectLayer in the unit tests.
	ErasureSDStr string = "ErasureSD"